百會穴刺鍼이 스트레스 상태에서의 가속도맥파에 미치는 영향

Objectives :This study was designed to report the effect of acupuncture at GV 20(Baihui) evaluated by the second derivative of photoplethysmogram waveform(SDPTG) under stress. Methods :15 healthy volunteers participated in this study. 1. After 5 minutes rest, mental stress was provided for 5 minutes. And then subjects rested for 15 minutes. SDPTG was recorded before and after mental stress and after 15 minutes restness. 2. After 5 minutes rest, mental stress was provided for 5 minutes. And acupuncture at GV 20 remained for 15 minutes. SDPTG was recorded before and after mental stress and after 15 minutes acupuncture. Results :1. Mental Stress didn't make significant change at SDPTG. 2. In a comparison of pre-acupuncture and post-acupuncture at the GV 20, b/a ratio(P<0.05) and Sano aging index(P<0.05) was decreased significantly. Conclusions :We concluded that acupuncture at the GV 20 may be effective method to recover vascular function.